1973 Pontiac Catalina Transmission Mount A2378, 1 Piece, vehicle-matched drivetrain support replacement for a handy garage repair, steady engine control, and careful mount-location verification

A2378 vehicle-specific transmission mount replacement
✔️ 1 piece, transmission support fit, 1.8 lb catalog gross weight

This listing includes 1 piece A2378 transmission mount for the 1973 Pontiac Catalina. This handy OE-style replacement is typically used at the transmission support location to support the drivetrain, manage movement, and help isolate everyday engine or transmission vibration.

✅ Part number: A2378
✅ Pack size: piece
✅ Vehicle year: 1973
✅ Car make: Pontiac
✅ Car model: Catalina
✅ Product type: Transmission Mount
✅ Mount position: Transmission Support
✅ Original listing style: Transmission Mount
✅ Item weight: 1.8 lb catalog gross weight
✅ Source detail: Transmission mount built with OE-spec rubber-to-metal bonding for classic GM full-size and mid-size platforms

💡 Why do service shops check transmission mount fit using torque strut direction and bushing size before replacing a worn mount? A correct match keeps the bracket and rubber or hydraulic section aligned with the factory support points and expected drivetrain load.
- Confirm the year, make, model, engine option, and transmission choice
- Compare the mount position, bracket shape, bolt pattern, and cross-reference
- Inspect nearby mounts and support the drivetrain safely during installation

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